Logitech M500 Software, Driver & Download for Windows, Mac
Can I downgrade Logitech K375s keyboard firmware? And is there a way to backup the current firmware on the keyboard before I do so? · Issue #2044 · fwupd/fwupd · GitHub
Update: resolved, API reinstated and commitment to keep it around] Logitech Harmony removes local API - Home Assistant
Fedora: Hardware from Logitech can be updated via fwupd - app